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Clean Water Act discharge permit · NPDES TXR1527WI

TIMBERBROOK PUMP STATION EXPANSION, Justin, TX: NPDES TXR1527WI discharge permit, effluent exceedances, inspections, penalties

TIMBERBROOK PUMP STATION EXPANSION, held by Triad Service Group L.L.C., holds NPDES permit TXR1527WI, which discharges to Unnamed Tributary Of Trail Creek. EPA’s file records it issued November 3, 2025 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for TIMBERBROOK PUMP STATION EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Justin, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1527WI.

Identity

Facility as filedTIMBERBROOK PUMP STATION EXPANSION
Permittee as filedTriad Service Group L.L.C.
NPDES IDTXR1527WI
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 3, 2025
Expiration dateMarch 4, 2028
AddressJustin, TX 76247
Receiving waterUNNAMED TRIBUTARY OF TRAIL CREEK
SubwatershedElizabeth Creek-Denton Creek (HUC 120301040303)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1527WI.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1527WI.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXR1527WI.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TXR1527WI there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The TIMBERBROOK PUMP STATION EXPANSION is one of 1,007 storm water construction permits in Denton County, a figure that includes this permit, and 0.5% of those permits carry a violation on file, which places it among a small share of peers with recorded violations. The permit also falls within the Elizabeth Creek-Denton Creek subwatershed, where 84 NPDES permits are registered, this one included. Its register entry shows no pollutants under a numeric limit and no effluent exceedances, both recorded as 0.